Hook angle has an important effect on saw blade operation.
High positive hook angle will perform a very aggressive cut with fast feed rate.
Low or negative hook angle will slow the feed rate.
Library
| Terminology | Tooth Geometry | Hook Angle | Formula | Cutting Speed | Basic information |
|---|---|---|---|---|---|
Hook Angle (or Rake Angle)
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1. Positive Hook angle |
| The teeth are tipped forward in line with the center of the saw blade, toward the direction of the saw blade's rotation. In general, positive hook angle suitable for fast feeding and standard hook angle ranges from 5° to 15° positive. |
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2. Negative Hook angle |
| The teeth are tipped backward in line with the center of the saw blade. Usually - 5° are used with lower feed rate. In general, suitable for metal cutting application. |
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3. Zero Hook angle |
| The teeth are in line with the center of the saw blade. | |